/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/AbilitySystemComponent.h
Minimally replicated tags are replicated tags that come from GEs when in bMinimalReplication mode. (The GEs do not replicate, but the tags they grant do replicate via these functions)
void AddMinimalReplicationGameplayTag ( const [FGameplayTag](API\Runtime\GameplayTags\FGameplayTag) & GameplayTag )